Answers

Add 70/16 and 45/80

1^st number: 4 6/16, 2^nd number: 45/80

70/16 + 45/80 is 79/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 16 × 5 = 80,
   70/16 = 70 × 5/16 × 5 = 350/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   45/80 = 45 × 1/80 × 1 = 45/80
4. Add the two like fractions:
   350/80 + 45/80 = 350 + 45/80 = 395/80
5. 395/80 simplified gives 79/16
6. So, 70/16 + 45/80 = 79/16
   In mixed form: 415/16

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁷⁰/₁₆+⁹⁰/₈₀ ⁷⁰/₃₂+⁴⁵/₈₀ ⁷⁰/₄₈+⁴⁵/₈₀ ⁷⁰/₈₀+⁴⁵/₈₀

Add Fractions Calculator